<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script>
        var timer;
        function go(){
            timer=setInterval(function(){
                window.location.href="http://127.0.0.1:3000/student";
            },3000)
        }
        go();
    </script>
</head>
<body>
<div>数据上传成功，三秒后返回</div>
</body>
</html>